标签：Cells 相关文章

听电影学英语-肖申克的救赎 10

[00:04.78]What? 什么事? [00:17.50]-Where's he going? -Grab his ankles. -他想去哪儿? -抓住脚 [00:22.30]No help! 不要 救命 [00:31.62]Two things never happened again after that. 此后没有再发生两件事 [00:34.10]The Sisters never l

发表于:2018-11-30 / 阅读(119) / 评论(0) 分类 听电影学英语-肖申克的救赎

VOA慢速英语2009年-Health Report - Study Finds Treatment

This is the VOA Special English Health Report. Last week, researchers in the United States reported curing nine adults with sickle cell disease. Ten patients in all were treated in a study with donated bone marrow. The healthy marrow causes new blood

发表于:2018-12-01 / 阅读(169) / 评论(0) 分类 VOA慢速英语2009年（十二）月

英文书摘精选 血型不是问题

Yael: I just read about an exciting technique. Researchers found a way to convert types A and B blood into type O blood--the type that can be transfused into any patient. This advance could help avoid blood shortages in the future. Don: Wow, that is

发表于:2018-12-03 / 阅读(72) / 评论(0) 分类 初学者听力文摘精选

The Human Body: Life Story 生命物语-4

Everything that's alive and quite a few things that aren't, gives off heat. That's what you are looking at now. Every part of your body is burning up energy and creating heat as it goes about the busi

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 生命物语

US Researchers Discover New Breast Cancer Gene

Broadcast: Jan 21, 2003 U.S. researchers have discovered another breast cancer gene that may provide a new point of attack against the disease. The 1) molecule is common to many types of breast cancer

发表于:2018-12-08 / 阅读(78) / 评论(0) 分类 VOA2003（上）-科技先知

【英语时差8,16】用普通人的细胞制造干细胞

Making Stem Cells From Ordinary Adult Cells Most cells in our bodies are unipotent, that is they stay the same throughout their lives. For example, once a skin cell, always a skin cellthey never start turning into brain cells. The exception is stem c

发表于:2018-12-27 / 阅读(49) / 评论(0) 分类 英语时差8，16

Blood type(血型揭秘)

【背景】 血型分类: 一般常见A、B、AB和O四种，另外还有RH、MNS、P等极为稀少的10余种血型系统。其中，AB型可以接受任何血型的血液输入，因此被称作万能受血者，O型可以输出给任何血型的人

发表于:2018-12-27 / 阅读(50) / 评论(0) 分类 英语听力广播—Listening

【轻松英文阅读】医疗上的突破

For more than ten years of his life Nick Wilkins fought leukemia. It was a heartbreaking time for his parents. But now at 15, Nick is cancer-free thanks to a new experimental therapy. Nick went through many kinds of treatment: chemotherapy, radiation

发表于:2018-12-28 / 阅读(35) / 评论(0) 分类 轻松英文阅读

世界节假日博览 第19期:世界癌症日

World Cancer Day falls on February the 4th each year. It aims to draw attention to the effect cancer has on the lives of millions around the world. Around 7 million people die each year from the different types of cancer. Eleven million new cases are

发表于:2018-12-29 / 阅读(50) / 评论(0) 分类 世界节假日博览

新视野大学英语 读写教程第三册 unit8-c

Section (C) Twins Six Years Apart Scientists in Scotland recently announced that, for the first time, they have cloned an exact copy ofan adult mammal. The cloned lamb, named Dolly, has the exact same genes as the adult sheep fromwhich she was cloned

发表于:2018-12-29 / 阅读(72) / 评论(0) 分类 新视野大学英语读写教程(3)

4-12 克隆创造人类胚胎

Cloning 1 Creates Human Embryos Scientists in South Korea and America report that they have created human embryos through cloning and extracted embryonic 2 stem cells 3 , the universal cells that hold

发表于:2018-12-30 / 阅读(61) / 评论(0) 分类 英语沙龙2004全年合辑上

英伦广角 激光可帮助啮齿类动物受损的牙齿再次生长

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(90) / 评论(0) 分类 英伦广角

unit38 Liposuction’s Limits 吸脂术的局限性

Liposuctions Limits Doctors have long suspected that excess fat around the bellyas opposed to the thighs or hipsincreases the chances of developing heart disease, high blood pressure and diabetes. Apparently, abdominal fat promotes ill health by, amo

发表于:2019-01-02 / 阅读(109) / 评论(0) 分类 午后咖啡

EXPLORATIONS - Fuel Cell Cars

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(90) / 评论(0) 分类 Explorations

Humans to Mars Official NASA Goal, But What About Radiation?

Human exploration of Mars is now an official goal of the National Aeronautics and Space Administration (NASA). Last month, U.S. President Donald Trump signed a bill to increase NASAs budget. The law sets spending at $19.5 billion for the 12-month per

发表于:2019-01-02 / 阅读(58) / 评论(0) 分类 2017年VOA慢速英语(四)月

专业术语—口腔生理学术语I2(英文详解)

Inflammation - is a whole complex of events which occur in sequence, in response to injury. Tissue damaged by bacteria, chemicals, heat, trauma etc, release histamine and bradykinin and serotonin whic

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 医务英语

专业术语—口腔生理学术语A3(英文详解)

Apatites- a family of calcium phosphate salts which are found in hard tissues like bone, teeth and shells. Apoptosis - death of a cell which is programmed by a set of specific genes. Apoptosis of chon

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 医务英语

【英语时差8,16】利用太阳能-下

PV solar technology is more complex. When sunlight hits a PV cell, electrons in the cell are knocked out of their orbits. Electric fields channel the electrons in a current used to generate electricity。 Unlike thermal solar panels, PV technology is

发表于:2019-02-15 / 阅读(51) / 评论(0) 分类 英语时差8，16

英语听力文摘 English Digest 130、神奇的电

The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When there is a power failure, people grope about in flickering candle

发表于:2019-02-16 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

环球英语 — 182：Poison

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 It was the year 175

发表于:2019-02-21 / 阅读(65) / 评论(0) 分类 环球英语 Spotlight
最新学习文章
热门学习文章